HomeAnswersNeurologynarcolepsy

Can narcolepsy affect hormone levels and cause PCOS at 37?

This Premium Q&A, reviewed and published, features a real conversation between an iCliniq user and a physician.

Patient's Query

Hello doctor,

I have had narcolepsy since my late 20s and have been managing it with medication. Lately, though, my periods have become very irregular, and my gynecologist found that I have polycystic ovaries on an ultrasound. My testosterone level came back at 58 ng/dL, and according to the report, my LH-to-FSH ratio was also abnormal.

Does narcolepsy affect hormone levels and cause PCOS at age 37, or is this just a coincidence? Nobody seems to be able to give me a straight answer, and it is really frustrating.

Please advise.

Thank you.

Answered by Dr. Sharath P Devdas

Education:

MBBS

Professional Bio:

Dr. Sharath P. Devdas is a dedicated gynecologist and fertility specialist with expertise in the evaluation and treatment of infertility and sexual health concerns. He specializes in infertility management, including IUI, IVF, and ICSI procedures, helping individuals and couples achieve their reproductive goals through evidence-based care. His areas of expertise also include male and female sexual dysfunction, PCOS, high-risk gynecology, and reproductive health disorders. Known for his compassionate and patient-centered approach, Dr. Sharath focuses on personalized treatment plans, clear communication, and comprehensive support to ensure patients feel informed, comfortable, and confident throughout their healthcare journey.      

This doctor is not available for online consultations on the platform anymore.

Hello,

Welcome to icliniq.com.

I am sorry you are going through this.

Narcolepsy is not considered a direct cause of PCOS (polycystic ovary syndrome, also referred to as polyendocrine metabolic ovarian syndrome or PMOS), but there may be biological links that make the two conditions more likely to overlap in some individuals.

Based on your recent evaluations, your doctors are likely assessing you for polycystic ovary syndrome (PCOS). PCOS can absolutely be diagnosed at age 37, even if it was not recognized earlier. Many women have relatively mild symptoms in their 20s and only come to medical attention later when their menstrual cycles become more irregular.

Narcolepsy is linked to problems in the brain's hypocretin system, which's very important for sleep, metabolism, appetite, and hormones. The hypocretin system in the brain really helps regulate these things.

The part of the brain that deals with narcolepsy is the hypothalamus. The hypothalamus helps control hormones that are related to reproduction. It does this with hormones like gonadotropin-releasing hormone, luteinizing hormone, and follicle-stimulating hormone.

Some studies have found that people with narcolepsy are more likely to have problems with their metabolism. They might gain weight. They might have insulin resistance. They might have hormone problems. However, researchers are not sure if narcolepsy directly causes the syndrome, also known as PCOS.

Have your weight, sleep, medicines, or periods changed recently? Were your periods regular before? This can help us see if your symptoms are due to PCOS or another hormone problem.

I hope this helps you.

Thank you.

Medically reviewed by iCliniq medical review team
Published At June 26, 2026
Reviewed At July 1, 2026

Education:

MBBS

Professional Bio:

Dr. Sharath P. Devdas is a dedicated gynecologist and fertility specialist with expertise in the evaluation and treatment of infertility and sexual health concerns. He specializes in infertility management, including IUI, IVF, and ICSI procedures, helping individuals and couples achieve their reproductive goals through evidence-based care. His areas of expertise also include male and female sexual dysfunction, PCOS, high-risk gynecology, and reproductive health disorders. Known for his compassionate and patient-centered approach, Dr. Sharath focuses on personalized treatment plans, clear communication, and comprehensive support to ensure patients feel informed, comfortable, and confident throughout their healthcare journey.      

This doctor is not available for online consultations on the platform anymore.

Same symptoms don't mean you have the same problem. Consult a doctor now!

Education:

MBBS

Professional Bio:

Dr. Sharath P. Devdas is a dedicated gynecologist and fertility specialist with expertise in the evaluation and treatment of infertility and sexual health concerns. He specializes in infertility management, including IUI, IVF, and ICSI procedures, helping individuals and couples achieve their reproductive goals through evidence-based care. His areas of expertise also include male and female sexual dysfunction, PCOS, high-risk gynecology, and reproductive health disorders. Known for his compassionate and patient-centered approach, Dr. Sharath focuses on personalized treatment plans, clear communication, and comprehensive support to ensure patients feel informed, comfortable, and confident throughout their healthcare journey.      

This doctor is not available for online consultations on the platform anymore.

Listen to related tracks in our music library
Comprehensive Second Opinion

Read answers about:

menstrual cyclepcosnarcolepsy

Ask your health query to a doctor online

*guaranteed answer within 4 hours

Disclaimer: No content published on this website is intended to be a substitute for professional medical diagnosis, advice or treatment by a trained physician. Seek advice from your physician or other qualified healthcare providers with questions you may have regarding your symptoms and medical condition for a complete medical diagnosis. Do not delay or disregard seeking professional medical advice because of something you have read on this website. Read our Editorial Process to know how we create content for health articles and queries.